不同农药的标签色带是什么颜色?
参考答案:
除草剂为绿色、杀菌杀线虫剂为黑色、杀虫杀螨剂为红色、杀鼠剂为蓝色、生植物长调节剂为黄色。
组织缺氧或代谢性酸中毒时出现高钾症,血钾浓度高于()
A.3.5mmol/L
B.4.0mmol/L
C.4.5mmol/L
D.5.0mmol/L
E.5.5mmol/L
Nobody believes a 92-year-old could run a marathon she passed the finishing line. People of all ages can challenge themselves.
A. if B. since C. until